DOW FILMTEC TW30-1812-100 membrane is a high-efficiency reverse osmosis (RO) element designed for seawater desalination. It delivers a production capacity of up to 100 gallons per day (379 liters per day) with a nominal salt rejection rate of 99.5%, ensuring superior water purity by effectively removing contaminants. This membrane features compact dimensions, with a length of 12 inches and a diameter of 1.8 inches, making it ideal for small-scale and residential water treatment systems. Its robust design is suited for high-pressure environments, providing reliable performance and high-quality water output in a space-efficient format.